UA T-Adapter

Lub CAN T-Adapter tsim kais kev sib txuas rau cov ntaub ntawv cables thiab hauv av nyob rau hauv lub tsheb npav CAN kom tuaj yeem txuas CAN nodes. Hauv qhov no, CAN node yuav tsis xaus.

Specifications & Nta

Lub npe:YUAV TSUM node T Connector

Connector: 2 x DSub9 socket, 1 x DSub9 plug

Nws muaj 120 Ohm davhlau ya nyob twg resistor;

Kev saib xyuas tshwj xeeb yuav tsum tau them rau qee lub sijhawm uas lub tshuab hluav taws xob muaj zog ua haujlwm, lossis lwm lub sijhawm uas qhov hluav taws xob ntawm cov khoom siv hluav taws xob hloov pauv thaum cov cuab yeej qhib lossis kaw;

Vim li cas lub tsheb npav CAN muaj ob lub 120Ω davhlau ya nyob twg resistors?

Qhov kawg ntawm lub tsheb npav CAN yuav tsum tau txuas nrog lub davhlau ya nyob twg tsis kam ua haujlwm ib txwm. Lub davhlau ya nyob twg tsis kam yuav tsum yog tib yam li impedance ntawm kev sib txuas lus cable. Tus nqi raug yog 120 ohm. Nws lub luag haujlwm yog txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhim kho kev tiv thaiv kev cuam tshuam thiab txhim khu kev qha ntawm cov ntaub ntawv kev sib txuas lus.

Lub luag hauj lwm ntawm lub davhlau ya nyob twg tsis kam yog nqus cov teeb liab kev xav thiab ncha, thiab yog tias lub impedance tsis tas mus li thiab tsis sib haum, lub teeb liab yuav tshwm sim, uas yuav cuam tshuam rau cov teeb liab kis.

Yog hais tias lub davhlau ya nyob twg tsis kam ntxiv rau ob txoj kab sib cais, nws yog sib npaug rau lub xeev qhib. Txoj kev sib txuas no yuav ua rau ib kab ntawm impedance tsis tu ncua, thiab tam sim ntawd dhau los ua 0 thaum kawg, uas yuav ua rau kev xav txog ob npaug.

Qhov ob 120 euros ntawm ob 120 Euros ntxiv los ntawm kev kub ceev tuaj yeem simulate tus yam ntxwv impedance tsim los ntawm cov kab xaim thaum cov kab hlau txuas infinitely (tsis yog qhov impedance tiag). hom. Yog vim li cas vim li cas lub siab-ceev CAN yuav tsum tau ntxiv lub davhlau ya nyob twg tsis kam yog vim hais tias thaum lub high-frequency teeb liab kis tau tus mob, lub teeb liab wavelength yog luv luv txheeb ze rau cov kis kab mob. Tsis txhob xav txog tom qab kawg.

Yog vim li cas vim li cas qis-speed CAN tsis ntxiv cov davhlau ya nyob twg resistors yog vim lub wavelength kuj ntev, thiab qhov kev xav thiab ncha tsis muaj zog. Txawm li cas los xij, chav tswj ntawm qhov qis-ceev CAN system yuav muaj nws tus kheej lub davhlau ya nyob twg tsis kam. Nws tsis txuas ntawm CAN-HIGH hlau thiab CAN-LOW hlau, tab sis ntawm txhua lub xaim lossis nruab nrab ntawm qhov ntxiv 5V fais fab mov. Yog tias lub roj teeb raug kaw, qhov kev tiv thaiv tau ploj mus, thiab qhov kev tiv thaiv tsis tuaj yeem ntsuas lub sijhawm no.

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